196999613 has 2 divisors, whose sum is σ = 196999614. Its totient is φ = 196999612.

The previous prime is 196999589. The next prime is 196999651. The reversal of 196999613 is 316999691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189833284 + 7166329 = 13778^2 + 2677^2 .

It is a cyclic number.

It is not a de Polignac number, because 196999613 - 2⁶ = 196999549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196993613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98499806 + 98499807.

It is an arithmetic number, because the mean of its divisors is an integer number (98499807).

Almost surely, 2^196999613 is an apocalyptic number.

It is an amenable number.

196999613 is a deficient number, since it is larger than the sum of its proper divisors (1).

196999613 is an equidigital number, since it uses as much as digits as its factorization.

196999613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 708588, while the sum is 53.

The square root of 196999613 is about 14035.6550613073. The cubic root of 196999613 is about 581.8644057314.

The spelling of 196999613 in words is "one hundred ninety-six million, nine hundred ninety-nine thousand, six hundred thirteen".